*{
    margin: 0;
    padding: 0;
}
html , body{
    font-size: 12px;
    width: 1535px;
    position: relative;
    background-color: #f5f5f5;
}
ul ,ol ,li {
    list-style: none;
}
.header{
    width: 80%;
    margin: 0 auto;
    display: flex;
    background-color: #f5f5f5;
    /* font-size: 15px; */
    height: 40px;
    line-height: 40px;
    cursor: pointer;
}
.header-left{
    width: 27%;
}
.header-right {
    width: 73%;
    padding-left: 140px;
    display: flex;
    align-items: center;
    justify-content: space-around;
}
.header-left > span{
    padding-left: 15px;
    color: #6c6c6c;
}
.header-right > span{
    line-height: 20px;
    
    height: 20px;
    
    color: #6c6c6c;
    text-align: center;
}
.two-img{
    width: 100%;
    height: 500px;
    margin: 0 auto;
}
.two-img > img {
    width: 100%;
    height: 100%;
}

/* 渲染部分 */
.xuanranbox{
    width: 100%;
    background-color: #f3e7d7;
}
.xuanran {
    width: 100%;
    text-align: center;
}
.xuanran > .shishang > img{
    height: 50px;
    margin-bottom: 40px;
}



ul {
    width: 70%;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;;
    flex-wrap: wrap;
  }

  ul > li {
    width: 23%;
    height: 530px;
    border: 1px solid #333;
    margin: 10px 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  ul > li > img {
    width: 100%;
    height: 350px;
    display: block;
  }

  img {
    width: 100%;
    height: 100%;
    display: block;
  }

  .loading {
    width: 100%;
    margin: 0 auto;
    height: 50px;
    display: none;
    text-align: center;
    line-height: 50px;
    font-size: 30px;
    color: skyblue;
  }
  .loading > img {
      width: 10%;
      height: 100%;
  }



  .footer-three{
    width: 100%;
    height: 50px;
    margin: 0 auto;
    color: #777777;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #777777;
    text-align: center;
    margin-top: 40px;
    

}
  .footer-four   {
    width: 100%;
    height: 50px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
    font-size: 12px;
    color: #777777;
   
}
.footer-four > img {
    width: 60%;
    
}
.footer-five {
    width: 100%;
    text-align: center;
    margin-bottom: 20px;
    color: #777777;
    font-size: 12px;
    
}